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How to implement a binary tree?
Which is the best data structure that can be used to implement a binary tree in Python?
18 Answers
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How to select all records from one table that do not exist in another table?
...name
FROM table1 t1
LEFT JOIN table2 t2 ON t2.name = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the tab...
Purpose of Unions in C and C++
I have used unions earlier comfortably; today I was alarmed when I read this post and came to know that this code
15 Ans...
is it possible to change values of the array when doing foreach in javascript?
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The callback is passed the element, the index, and the array itself.
arr.forEach(function(part, index, theArray) {
theArray[index] = "hello world";
});
edit — as noted in a comment, the .forEach() function can take a second argumen...
Why C# implements methods as non-virtual by default?
...like Java, why does C# treat methods as non-virtual functions by default? Is it more likely to be a performance issue rather than other possible outcomes?
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what is Promotional and Feature graphic in Android Market/Play Store?
...rket client on phones at least
featured apps with high ratings get to
display the promotional graphic.
This is the one that shows up on top
even before you start searching the
market for a specific app.
See this answer from Android market forum.
Edited: One of the google employee gi...
How to make my custom type to work with “range-based for loops”?
... been trying the different features that C++11 brings. One of my favorites is the "range-based for loops".
8 Answers
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WPF Blurry fonts issue- Solutions
Problem is described and demonstrated on the following links:
11 Answers
11
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Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
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Using getopts to process long and short command line options
I wish to have long and short forms of command line options invoked using my shell script.
32 Answers
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